
<script setup>
import { ref, onMounted, computed } from 'vue'

// 游戏常量
const COLS = 10
const ROWS = 20
const BLOCK_SIZE = 30
const SHAPES = [
  [[1,1,1,1]], // I
  [[1,1],[1,1]], // O
  [[0,1,0],[1,1,1]], // T
  [[1,0,0],[1,1,1]], // L
  [[0,0,1],[1,1,1]], // J
  [[0,1,1],[1,1,0]], // S
  [[1,1,0],[0,1,1]]  // Z
]
const COLORS = ['#FF0D72','#0DC2FF','#0DFF72','#F538FF','#FF8E0D','#FFE138','#3877FF']

// 游戏状态
const canvas = ref(null)
const ctx = ref(null)
const currentPiece = ref(null)
const nextPiece = ref(null)
const grid = ref(Array(ROWS).fill().map(() => Array(COLS).fill(0)))
const score = ref(0)
const isGameOver = ref(false)
const isPaused = ref(false)
const gameSpeed = ref(1000)
const gameLoop = ref(null)

// 初始化游戏
const initGame = () => {
  ctx.value = canvas.value.getContext('2d')
  spawnPiece()
  draw()
  startGame()
}

// 生成新方块
const spawnPiece = () => {
  if (!nextPiece.value) {
    const shapeIdx = Math.floor(Math.random() * SHAPES.length)
    nextPiece.value = {
      shape: SHAPES[shapeIdx],
      color: COLORS[shapeIdx],
      pos: {x: Math.floor(COLS/2)-1, y: 0}
    }
  }
  currentPiece.value = nextPiece.value
  const shapeIdx = Math.floor(Math.random() * SHAPES.length)
  nextPiece.value = {
    shape: SHAPES[shapeIdx],
    color: COLORS[shapeIdx],
    pos: {x: Math.floor(COLS/2)-1, y: 0}
  }
}

// 绘制游戏
const draw = () => {
  ctx.value.clearRect(0, 0, canvas.value.width, canvas.value.height)
  drawGrid()
  drawPiece()
  drawNextPiece()
}

// 其他游戏方法...
</script>

<template>
  <canvas
      ref="canvas"
      :width="COLS * BLOCK_SIZE"
      :height="ROWS * BLOCK_SIZE"
      tabindex="0"
      @keydown="handleKeyDown"
  />
</template>
